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Datasheet. MS21438-108 specification
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
0.4993in. and 0.5000in.
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.
1.3115in. and 1.3135in.
The element,compound,or mixture with which the item is lubricated.
grease
0.4850in. and 0.5000in.
0.6150in. and 0.6250in.
10.0000in.
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.
ground
The number of seals included on the item.
2
Indicates the type of seal provided with the bearing.
contact
Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.
SELF-Aligning
Indicates the location of the self-alignment feature.
external
Those features,not otherwise specified,which may be required for proper functioning of the item.
lubrication hole and lubrication groove
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the lubrication material.
MIL-G-81322 mil spec single material response
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic acetal seal or plastic polyhexamethylene adipamide seal
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp E50100 inner ring or steel comp E51100 inner ring or steel comp E52100 inner ring or steel comp 4615 inner ring or steel comp 4617 inner ring or steel comp 4620 inner ring
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp E50100 outer ring or steel comp E51100 outer ring or steel comp E52100 outer ring or steel comp 4615 outer ring or steel comp 4617 outer ring or steel comp 4620 outer ring
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp E50100 retaining plate or steel comp E51100 retaining plate or steel comp E52100 retaining plate or steel comp 4615 retaining plate or steel comp 4617 retaining plate or steel comp 4620 retaining plate
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
L-P-392 fed spec 1st material response seal or L-P-410, ty 6/6 fed spec 2nd material response seal
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
chromium outer ring
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
cadmium inner ring or oxide inner ring
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
cadmium retaining plate or oxide retaining plate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-C-320 fed spec single treatment response outer ring
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416, type 1, class 2 fed spec 1st treatment response inner ring or MIL-C-13924 mil spec 2nd treatment response inner ring
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416, type 1, class 2 fed spec 1st treatment response retaining plate or MIL-C-13924 mil spec 2nd treatment response retaining plate
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
track roller
Answers.
1EA
Track roller
Steel comp e50100 retaining plate or steel comp e51100 retaining plate or steel comp e52100 retaining plate or steel comp 4615 retaining plate or steel comp 4617 retaining plate or steel comp 4620 retaining plate
Steel comp e50100 outer ring or steel comp e51100 outer ring or steel comp e52100 outer ring or steel comp 4615 outer ring or steel comp 4617 outer ring or steel comp 4620 outer ring
Steel comp e50100 inner ring or steel comp e51100 inner ring or steel comp e52100 inner ring or steel comp 4615 inner ring or steel comp 4617 inner ring or steel comp 4620 inner ring
Plastic acetal seal or plastic polyhexamethylene adipamide seal
Schedule B number: 8482400000
nmfc 114800
Needle roller bearings
FSC 3110 ⁓ Bearings, antifriction, unmounted
Note-this class includes bearings that generally have roller or balls confined by an inner and outer ring to relieve friction in/on/around rotating/moving mechanisms.
Excluding plain bearings (fsc 3120); jewel bearings (fsc 3120)
NSN 3110-01-256-9277 BEARING,ROLLER,NEEDLE
track roller cadmium retaining plate or oxide retaining plate surface treated 0.4993" bore diameter
- NIIN
- 012569277
- NIIN Date
- 06/10/87
- Schedule B
- 8482400000
- Name Code
- 00051
- FIIG
- A044A0
- Item Weight
- 0.200lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $69.68 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | MIL-B-3990 | Cage 81349 |
Major End Users Countries and entities
- - Department of The Army
- - Department of The Air Force
- - Canada
Availability for MS21438-108 A member of our team will provide you with a price and availability quote
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
- Commodity (for shipments via water)
- Bearings
- NMFC (national motor freight code)
- 114800 BEARING,ROLLER,THRUST
- UFC (universal freight code)
- 58850
Similar by Design Other bearings with similar characteristics
Nothing similar to this part number was found in our inventory
MS21438-108 / Bearing,roller,needleWhat is the formal definition of this item?
A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.
